package com.xxzuibang.day2;

public class Test5 {
    public static void main(String[] args) {
        float f1=-3.14f;
        float f2=3.14f;
        System.out.println(f1);
        System.out.println(f2);
        double d1=-3.4;
        double d2=3.4;
        System.out.println(d1);
        System.out.println(d2);
    }
}
